Malicious PDF — malware analysis report

Static analysis result for SHA-256 dea0b779c814ce32…

MALICIOUS

PDF

41.3 KB Created: 2021-05-16 20:00:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 65d2ce6b236ae52e84b3677fed99a76b SHA-1: d66f09140a37f8d7155c07877acb9743f402b05c SHA-256: dea0b779c814ce326990f7e77833680c31abb7a3bdd9578993ef482ef2f1a7c7
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs advertising game hacks and cheats, suggesting a lure to download potentially malicious software. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a malicious intent. While no scripts were explicitly extracted, the document's structure and embedded URLs point towards a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/479516143/minecraft-pocket-edition-free-ios-game-hack
    • http://io24.com.ar/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://io24.com.ar/images/how-to-earn-free-robux_GM431946152.pdf
    • http://io24.com.ar/images/coin-master-pc-hack_GM406889139.pdf
    • http://io24.com.ar/images/coin-master-com_GM406889139.pdf
    • http://io24.com.ar/images/is-roblox-studio-free_GM431946152.pdf
    • http://io24.com.ar/images/robux-free-online_GM431946152.pdf
    • http://io24.com.ar/images/coin-master-spin-hack-without-verification_GM406889139.pdf
    • http://io24.com.ar/images/coin-master-hack-2021_GM406889139.pdf
    • http://io24.com.ar/images/rbx-website_GM431946152.pdf
    • http://io24.com.ar/images/free-robux-games-on-roblox_GM431946152.pdf
    • http://io24.com.ar/images/free-100-robux_GM431946152.pdf
    • http://io24.com.ar/images/hack-minecraft_GM479516143.pdf
    • http://io24.com.ar/images/coin-master-apk-hack-32_GM406889139.pdf
    • http://io24.com.ar/images/minecraft-coins-free_GM479516143.pdf
    • http://io24.com.ar/images/cpbildco-robux_GM431946152.pdf
    • http://io24.com.ar/images/coin-master-hacks-for-pet-food_GM406889139.pdf
    • http://io24.com.ar/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdf
    • http://io24.com.ar/images/coin-master-hack-2021-apk-download_GM406889139.pdf
    • http://io24.com.ar/images/how-to-hack-to-get-robux_GM431946152.pdf
    • http://io24.com.ar/images/best-minecraft-hacked-client_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000493b.bin
ca1c43e016493139fb8bf76e84ea6c8ae52c58f7f5998c9fcfaf2fd6dcebc435		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x493B 23928 bytes
font_01_sfnt_off00007f77.bin
c28ef02d46b574f4e4415ca233fe29d1618229a9872b41257112e9e19ec80372		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F77 18208 bytes

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